Optical system for reproduction

Details Optical system for reproduction Optical system for reproduction

1975-05-07

1977-03-22

Corbin, John K.

350210, 350215, 350235, G02B 960

Patent

active

040133486

ABSTRACT:
The present invention relates to an optical system for color reproduction with nearly an equal magnification factor consisting of the front lens group and the rear lens group. The front lens group and the rear lens group have a symmetrical form to each other with respect to the diaphragm as center of symmetry being provided between both lens groups. Between both lens groups, the filters corresponding to the three primary colors of the light are provided so as to be interchangeable.

REFERENCES:
patent: 3414345 (1968-12-01), Mollring
patent: 3439976 (1969-04-01), Lynch
patent: 3524697 (1970-08-01), Isshiki et al.
patent: 3728752 (1966-10-01), Brixner

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